feat: внятный показ обрыва сессии

lib/frontend/screens/profile/appearance_screen.dart

@@ -1,9 +1,10 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
-import 'package:m3e_collection/m3e_collection.dart';
 import 'package:material_symbols_icons/symbols.dart';
 
+import '../../widgets/connection_status.dart';
+
 import '../../../core/config/app_bubble_behavior.dart';
 import '../../../core/config/app_bubble_shape.dart';
 import '../../../core/config/app_pill_gradient.dart';
@@ -86,7 +87,10 @@ class _AppearanceScreenState extends State<AppearanceScreen> {
 
     return Scaffold(
       backgroundColor: cs.surface,
-      appBar: AppBarM3E(titleText: 'Внешний вид', backgroundColor: cs.surface),
+      appBar: ConnectionTitleBar(
+        titleText: 'Внешний вид',
+        backgroundColor: cs.surface,
+      ),
       body: SafeArea(
         top: false,
         child: ListView(